Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

vtnz.co.nz

VTNZ | Your Partner for Driver and Vehicle Safety

Page Load Speed

921 ms in total

First Response

430 ms

Resources Loaded

439 ms

Page Rendered

52 ms

vtnz.co.nz screenshot

About Website

Visit vtnz.co.nz now to see the best up-to-date VTNZ content for New Zealand and also check out these interesting facts you probably never knew about vtnz.co.nz

From WoFs, CoFs, regos and simple replacements to basic servicing and once-overs before you buy, we'll help keep you safe on the road.

Visit vtnz.co.nz

Key Findings

We analyzed Vtnz.co.nz page load time and found that the first response time was 430 ms and then it took 491 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

vtnz.co.nz performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value2,100 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.197

63/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

vtnz.co.nz

430 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Vtnz.co.nz and no external sources were called. The less responsive or slowest element that took the longest time to load (430 ms) belongs to the original domain Vtnz.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (49%)

Content Size

3.5 MB

After Optimization

1.8 MB

In fact, the total size of Vtnz.co.nz main page is 3.5 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Javascripts take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-35%

Potential reduce by 54 B

  • Original 156 B
  • After minification 154 B
  • After compression 102 B

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 54 B or 35% of the original size.

Image Optimization

-10%

Potential reduce by 132.3 kB

  • Original 1.3 MB
  • After minification 1.2 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. VTNZ images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 1.2 MB

  • Original 1.7 MB
  • After minification 1.7 MB
  • After compression 562.9 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.2 MB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 429.4 kB

  • Original 511.8 kB
  • After minification 492.7 kB
  • After compression 82.4 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Vtnz.co.nz needs all CSS files to be minified and compressed as it can save up to 429.4 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

vtnz.co.nz accessibility score

98

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

vtnz.co.nz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

vtnz.co.nz SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vtnz.co.nz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vtnz.co.nz main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of VTNZ. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: